168 lines
5.5 KiB
Python
168 lines
5.5 KiB
Python
#!/usr/bin/env python3
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# -*- coding: utf-8 -*-
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#***************************************************************************
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# _ _ ____ _
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# Project ___| | | | _ \| |
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# / __| | | | |_) | |
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# | (__| |_| | _ <| |___
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# \___|\___/|_| \_\_____|
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#
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# Copyright (C) Daniel Stenberg, <daniel@haxx.se>, et al.
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#
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# This software is licensed as described in the file COPYING, which
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# you should have received as part of this distribution. The terms
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# are also available at https://curl.se/docs/copyright.html.
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#
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# You may opt to use, copy, modify, merge, publish, distribute and/or sell
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# copies of the Software, and permit persons to whom the Software is
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# furnished to do so, under the terms of the COPYING file.
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#
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# This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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# KIND, either express or implied.
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#
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# SPDX-License-Identifier: curl
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#
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###########################################################################
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#
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import logging
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import os
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import subprocess
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import time
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from datetime import timedelta, datetime
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from json import JSONEncoder
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from .curl import CurlClient
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from .env import Env
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log = logging.getLogger(__name__)
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class Caddy:
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def __init__(self, env: Env):
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self.env = env
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self._caddy = os.environ['CADDY'] if 'CADDY' in os.environ else env.caddy
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self._caddy_dir = os.path.join(env.gen_dir, 'caddy')
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self._docs_dir = os.path.join(self._caddy_dir, 'docs')
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self._conf_file = os.path.join(self._caddy_dir, 'Caddyfile')
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self._error_log = os.path.join(self._caddy_dir, 'caddy.log')
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self._tmp_dir = os.path.join(self._caddy_dir, 'tmp')
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self._process = None
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self._rmf(self._error_log)
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@property
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def docs_dir(self):
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return self._docs_dir
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@property
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def port(self) -> str:
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return self.env.caddy_https_port
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def clear_logs(self):
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self._rmf(self._error_log)
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def is_running(self):
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if self._process:
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self._process.poll()
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return self._process.returncode is None
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return False
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def start_if_needed(self):
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if not self.is_running():
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return self.start()
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return True
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def start(self, wait_live=True):
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self._mkpath(self._tmp_dir)
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if self._process:
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self.stop()
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self._write_config()
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args = [
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self._caddy, 'run'
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]
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caddyerr = open(self._error_log, 'a')
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self._process = subprocess.Popen(args=args, cwd=self._caddy_dir, stderr=caddyerr)
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if self._process.returncode is not None:
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return False
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return not wait_live or self.wait_live(timeout=timedelta(seconds=5))
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def stop_if_running(self):
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if self.is_running():
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return self.stop()
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return True
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def stop(self, wait_dead=True):
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self._mkpath(self._tmp_dir)
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if self._process:
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self._process.terminate()
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self._process.wait(timeout=2)
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self._process = None
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return not wait_dead or self.wait_dead(timeout=timedelta(seconds=5))
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return True
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def restart(self):
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self.stop()
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return self.start()
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def wait_dead(self, timeout: timedelta):
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curl = CurlClient(env=self.env, run_dir=self._tmp_dir)
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try_until = datetime.now() + timeout
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while datetime.now() < try_until:
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check_url = f'https://{self.env.domain1}:{self.port}/'
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r = curl.http_get(url=check_url)
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if r.exit_code != 0:
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return True
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log.debug(f'waiting for caddy to stop responding: {r}')
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time.sleep(.1)
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log.debug(f"Server still responding after {timeout}")
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return False
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def wait_live(self, timeout: timedelta):
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curl = CurlClient(env=self.env, run_dir=self._tmp_dir)
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try_until = datetime.now() + timeout
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while datetime.now() < try_until:
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check_url = f'https://{self.env.domain1}:{self.port}/'
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r = curl.http_get(url=check_url)
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if r.exit_code == 0:
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return True
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time.sleep(.1)
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log.error(f"Caddy still not responding after {timeout}")
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return False
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def _rmf(self, path):
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if os.path.exists(path):
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return os.remove(path)
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def _mkpath(self, path):
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if not os.path.exists(path):
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return os.makedirs(path)
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def _write_config(self):
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domain1 = self.env.domain1
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creds1 = self.env.get_credentials(domain1)
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self._mkpath(self._docs_dir)
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self._mkpath(self._tmp_dir)
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with open(os.path.join(self._docs_dir, 'data.json'), 'w') as fd:
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data = {
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'server': f'{domain1}',
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}
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fd.write(JSONEncoder().encode(data))
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with open(self._conf_file, 'w') as fd:
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conf = [ # base server config
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f'{{',
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f' http_port {self.env.caddy_http_port}',
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f' https_port {self.env.caddy_https_port}',
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f' servers :{self.env.caddy_https_port} {{',
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f' protocols h3 h2 h1',
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f' }}',
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f'}}',
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f'{domain1}:{self.env.caddy_https_port} {{',
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f' file_server * {{',
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f' root {self._docs_dir}',
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f' }}',
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f' tls {creds1.cert_file} {creds1.pkey_file}',
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f'}}',
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]
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fd.write("\n".join(conf))
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